Trough for holding matrix fluid in a mass spectrometer apparatus



1. Trough for holding matrix fluid in a mass spectrometer apparatus

1.1 is a front perspective view.

1.2 is a top view.

1.3 is a front view.

1.4 is a bottom view.

1.5 is a rear view.

1.6 is a bottom perspective view.

1.7 is a left side view.

1.8 is a right side view.

1.9 is a cross-sectional view.

CLAIM The ornamental design for a trough for holding matrix fluid in amass spectrometer apparatus, as shown and described.